Создать или найти диалог

{
    "dialogs": [
        {
            "id": "507f1f77bcf86cd799439011",
            "agent_id": "550e8400-e29b-41d4-a716-446655440002",
            "channel_id": "550e8400-e29b-41d4-a716-446655440000",
            "project_id": "550e8400-e29b-41d4-a716-446655440000",
            "status": "active",
            "dialog_type": "web",
            "external_dialog_id": "vk_private_channel-uuid_12345",
            "tags": [
                "возврат",
                "товар"
            ],
            "category": "support",
            "topic": "Возврат товара",
            "priority": "low",
            "quality_score": 0.85,
            "user_satisfaction": "satisfied",
            "resolution_type": "solved",
            "needs_review": false,
            "is_escalated": false,
            "has_errors": false,
            "traffic_source": "widget",
            "traffic_medium": "organic",
            "device_type": "mobile",
            "utm_source": "vk",
            "utm_medium": "cpc",
            "utm_campaign": "promo2025",
            "utm_term": "возврат товара",
            "utm_content": "banner_blue",
            "duration_seconds": 300,
            "first_response_time_seconds": 45,
            "started_at": "2025-12-25T10:00:00Z",
            "completed_at": "2025-12-25T12:30:00Z",
            "last_event_at": "2025-12-25T12:30:00Z",
            "created_at": "2025-12-25T10:00:00Z",
            "updated_at": "2025-12-25T12:30:00Z",
            "metadata": {
                "platform": "vk",
                "utm_source": "google",
                "utm_campaign": "promo2025",
                "traffic_source": "widget",
                "traffic_channel": "organic",
                "device_type": "mobile",
                "utm_medium": "cpc",
                "utm_term": "возврат товара",
                "utm_content": "banner_blue",
                "user_agent": "Mozilla/5.0...",
                "ip_address": "192.168.1.1",
                "geo_location": "Moscow, Russia",
                "language": "ru-RU",
                "timezone_offset": 180,
                "platform_type": "social",
                "bot_id": "123456",
                "bot_name": "SupportAgent",
                "integration": {
                    "source": "webhook",
                    "data": {}
                },
                "custom": {
                    "custom_field": "value"
                },
                "created_by_admin": true,
                "admin_user_id": "admin-uuid",
                "admin_note": "Тестовый диалог для проверки интеграции"
            },
            "is_test": false,
            "total_events": 42,
            "messages_count": 30,
            "operator_unread_count": 5,
            "lead_unread_count": 3,
            "primary_lead_id": "550e8400-e29b-41d4-a716-446655440004",
            "context": {
                "channel_type": "vk",
                "chat_id": "83159543",
                "peer_id": 2000000001,
                "owner_id": -123456,
                "post_id": 789,
                "topic_id": 12345,
                "thread_id": 42,
                "user_id": "user-123",
                "dialog_type": "private"
            },
            "display_info": {
                "name": "Иван Петров",
                "avatar_url": "https://vk.com/images/camera_200.png",
                "source_type": "lead",
                "platform": "vk",
                "platform_type": "vk"
            },
            "first_message": {
                "content": "Hello",
                "role": "user",
                "timestamp": "2025-12-25T10:00:00Z"
            },
            "last_message": {
                "content": "Thanks",
                "role": "user",
                "timestamp": "2025-12-25T12:30:00Z",
                "event_type": "message"
            },
            "dc_channel_type": "vk",
            "dc_chat_id": "83159543",
            "dc_vk_peer_id": 2000000001,
            "dc_vk_owner_id": -123456,
            "dc_vk_post_id": 789,
            "dc_vk_topic_id": 12345,
            "dc_tg_thread_id": 42,
            "dc_email_from": "support@company.com",
            "dc_email_to": "client@example.com",
            "dc_email_subject": "Re: Вопрос по заказу",
            "dc_email_message_id": "<abc123@mail.yandex.com>",
            "dc_email_thread_id": "<first123@mail.yandex.com>",
            "dc_email_references": [
                "<a@mail.com>",
                "<b@mail.com>"
            ],
            "agent": {
                "id": "550e8400-e29b-41d4-a716-446655440000",
                "name": "Агент поддержки",
                "description": "Помогает клиентам...",
                "avatar_url": "https://avatars-ai.senler.ru/agents/550e8400.jpg"
            },
            "is_sound_muted": false
        }
    ],
    "created": true,
    "can_create_more": true
}